-(defun string-not-null? (str)
- (and str (not (zerop (length str)))))
-
-(defun whitespace? (c)
- (declare (character c))
- (locally (declare (optimize (speed 3) (safety 0)))
- (or (char= c #\Space) (char= c #\Tab) (char= c #\Return)
- (char= c #\Linefeed))))